N. Kopell

Publications184
h-index74
Citations17,189
Highly Influential Citations1,179
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Measuring phase-amplitude coupling between neuronal oscillations of different frequencies.
Neuronal oscillations of different frequencies can interact in several ways. There has been particular interest in the modulation of the amplitude of high-frequency oscillations by the phase of… Expand
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Inhibition-based rhythms: experimental and mathematical observations on network dynamics.
An increasingly large body of data exists which demonstrates that oscillations of frequency 12-80 Hz are a consequence of, or are inextricably linked to, the behaviour of inhibitory interneurons in… Expand
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Dynamic cross-frequency couplings of local field potential oscillations in rat striatum and hippocampus during performance of a T-maze task
Oscillatory rhythms in different frequency ranges mark different behavioral states and are thought to provide distinct temporal windows that coherently bind cooperating neuronal assemblies. However,… Expand
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Electroencephalogram signatures of loss and recovery of consciousness from propofol
Significance Anesthesiologists reversibly manipulate the brain function of nearly 60,000 patients each day, but brain-state monitoring is not an accepted practice in anesthesia care because markers… Expand
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Gamma rhythms and beta rhythms have different synchronization properties.
Experimental and modeling efforts suggest that rhythms in the CA1 region of the hippocampus that are in the beta range (12-29 Hz) have a different dynamical structure than that of gamma (30-70 Hz).… Expand
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Theta–gamma coupling increases during the learning of item–context associations
Phase-amplitude cross-frequency coupling (CFC) between theta (4–12 Hz) and gamma (30–100 Hz) oscillations occurs frequently in the hippocampus. However, it still remains unclear whether theta–gamma… Expand
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Effects of Noisy Drive on Rhythms in Networks of Excitatory and Inhibitory Neurons
TLDR
Synchronous rhythmic spiking in neuronal networks can be brought about by the interaction between E-cells and Icells (excitatory and inhibitory cells). Expand
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Synchronization in Networks of Excitatory and Inhibitory Neurons with Sparse, Random Connectivity
TLDR
In model networks of E-cells and I-cells (excitatory and inhibitory neurons, respectively), synchronous rhythmic spiking often comes about from the interplay between the two cell groups and vice versa. Expand
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Background gamma rhythmicity and attention in cortical local circuits: a computational study.
We describe a simple computational model, based on generic features of cortical local circuits, that links cholinergic neuromodulation, gamma rhythmicity, and attentional selection. We propose that… Expand
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On the human sensorimotor-cortex beta rhythm: Sources and modeling
TLDR
Cortical oscillations in the beta band (13-35 Hz) are known to be modulated by the GABAergic agonist benzodiazepine. Expand
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